A rectangular open channel of width $5.0 \mathrm{~m}$ is carrying a discharge of $100 \mathrm{~m}^{3} / \mathrm{s}$. The Froude number of the flow is 0.8 . The depth of flow (in $\mathrm{m}$ ) in the channel is

(A) 4

(B) 5

(C) 16

(D) 20

A rectangular open channel of width $5.0 \mathrm{~m}$ is carrying a discharge of $100 \mathrm{~m}^{3} / \mathrm{s}$. The Froude number of the flow is 0.8 . The depth of flow (in $\mathrm{m}$ ) in the channel is

(A) 4

(B) 5

(C) 16

(D) 20

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